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MarketAxess Holdings
MKTX

Overview Fund Activity

522 hedge funds and large institutions have $8.24B invested in MarketAxess Holdings in 2025 Q2 according to their latest regulatory filings, with 85 funds opening new positions, 227 increasing their positions, 157 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
522
Holders Change
+19
Holders Change %
+3.78%
% of All Funds
7%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.04%
New
85
Increased
227
Reduced
157
Closed
57
Calls
$65.9M
Puts
$8.94M
Net Calls
+$56.9M
Net Calls Change
+$35.4M

Top Buyers

1
AQR Capital Management
AQR Capital Management
Connecticut
+$139M
2
American Century Companies
American Century Companies
Missouri
+$59.2M
3
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$36M
4
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$35M
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$31.8M

Top Sellers

1
WA
Wasatch Advisors
Utah
-$146M
2
Macquarie Group
Macquarie Group
Australia
-$137M
3
Marshall Wace
Marshall Wace
United Kingdom
-$77.5M
4
Millennium Management
Millennium Management
New York
-$41.7M
5
VanEck Associates
VanEck Associates
New York
-$39.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
Royal London Asset Management
551
Royal London Asset Management
United Kingdom
– -$367K -1,698 Closed
GSC
552
Ground Swell Capital
South Carolina
– -$362K -1,673 Closed
AV
553
ASR Vermogensbeheer
Netherlands
– -$346K -1,600 Closed
Wolverine Trading
554
Wolverine Trading
Illinois
– -$345K -1,592 Closed
QI
555
Qtron Investments
Massachusetts
– -$342K -1,582 Closed
ET
556
Equitable Trust
Tennessee
– -$324K -1,497 Closed
Nomura Holdings
557
Nomura Holdings
Japan
– -$258K -1,194 Closed
CIA
558
Concurrent Investment Advisors
Florida
– -$235K -1,086 Closed
Capstone Investment Advisors
559
Capstone Investment Advisors
New York
– -$233K -1,077 Closed
DS
560
DRW Securities
Illinois
– -$231K -1,068 Closed
MAM
561
Meeder Asset Management
Ohio
– -$231K -1,067 Closed
Korea Investment Corp
562
Korea Investment Corp
South Korea
– -$226K -1,045 Closed
VRS
563
Virginia Retirement Systems
Virginia
– -$216K -1,000 Closed
ACG
564
Allen Capital Group
Nebraska
– -$205K -946 Closed
IIM
565
Intact Investment Management
Quebec, Canada
– -$64.9K -300 Closed
MG
566
Mather Group
Illinois
– -$55.2K -255 Closed
ACM
567
Aster Capital Management
United Arab Emirates
– -$43.8K -227 Closed
HC
568
Hara Capital
Washington
– -$10.8K -50 Closed
CHC
569
City Holding Co
West Virginia
– -$9.09K -42 Closed
CAL
570
Capital Advisors Ltd
Ohio
– -$9K -42 Closed
FAF
571
Fjarde Ap-fonden
Sweden
– -$8K -36 Closed
CFD
572
Creative Financial Designs
Indiana
– -$2.81K -13 Closed
DIP
573
DT Investment Partners
Pennsylvania
– -$2.38K -11 Closed
GFPC
574
Global Financial Private Client
Florida
– -$1.08K -5 Closed
CA
575
CoreCap Advisors
Michigan
– -$1.08K -5 Closed
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